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Unformatted text preview: ECON 3210 3.0 Section A - Fall 2011 Assignment 2 (Due Date: October 17, 2011) Question 1: A family counselor believes that there is a relationship between number of years married and blood pressure. In particular, she believes she can predict the clients systolic blood pressure (SBP) based on the number of years married (NYM). The data are given in the following table. NYM 4.9 10.3 11.9 13.0 13.0 3.4 3.1 12.0 12.9 7.1 SBP 133 157 129 141 166 94 114 144 147 124 a. Obtain a scatterplot and describe the relationship you observe from the scatterplot. b. Regardless of what you observe in part (a), the counselor decided to use a simple linear regression model to analyse the data set. State clearly the model that shes using for her analyse. c. Based on the data, obtain the least squares regression line? d. Interpret the estimated coefficients obtained in part (c) in the context of this question. e. What is the predicted systolic blood pressure when the client has married for 25 years?...
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This note was uploaded on 02/05/2012 for the course ECON 4140 taught by Professor A during the Spring '11 term at York University.
- Spring '11